Is Diet Coke Worse than Regular Coke?: Frequently Asked Questions Q1: Does drinking Diet Coke cause weight gain? No, drinking Diet Coke does not directly cause weight gain. It is a zero-calorie beverage that doesn’t contribute to weight gain on its own. However, excessive consumption of any sweetened beverage, including Diet Coke, can be part of an unhealthy diet that may lead to weight gain. It’s important to maintain a balanced diet and practice portion control. Learn more about the effects of diet soda on weight gain Q2: Does Diet Coke increase the risk of diabetes? No, there is no…